This sosftware is good for DVD Ripper : Magic DVD Ripper - 2.5Mb Magic DVD Copier - 2.8Mb If you can't play your AVI file, please download it and install "Xvid Codec" first. If you have kept 5.1 audio in your AVI file but can't playback it correctly, please download "AC3Filter" and install it. And then choose "3/2+SW 5.1 channels" output format in its Config window.